【俚语】

Play dirty 耍猫腻，耍花招

【例句】

Their team started playing dirty as soon as they fell behind.
他们的队伍一落后，就开始耍花招。

Dirty word 脏话

【例句】

You are not allowed to use dirty words in your school essays.
学校的论文里你不能写脏话进去；

Talk dirty 说下流话

【例句】

That creepy old man is always talking dirty to me, I can't stand it!
那个古怪的老头总是对我说下流话，我受不了！

Give somebody a dirty look
瞪…一眼

【例句】

I must have done something really offensive last night because Mike keeps giving me dirty looks.
我昨晚一定做了什么无礼的事，因为迈克总是对瞪我。

Dirty v. 弄脏

【例句】

Don't sit on the floor - you might dirty yourdress.别坐在地板上——会弄脏你的裙子的。